Finding the Fourth Proportional to 371,997.46, 513,360.12 and 202,235.23
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Solution
The fourth proportional to 371,997.46, 513,360.12 and 202,235.23 is: 279,086.59
Step by Step Solution
- Step 1: Write the proportion equation
371,997.46 : 513,360.12 = 202,235.23 : x - Step 2: Convert to fraction form
371,997.46/513,360.12 = 202,235.23/x - Step 3: Cross multiply
371,997.46x = 513,360.12 × 202,235.23 - Step 4: Simplify right side
371,997.46x = 103,819,501,941.03 - Step 5: Solve for x
x = 103,819,501,941.03/371,997.46 - Step 6: Final answer
x = 279,086.59
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.